.page-contact {
  --ct-gap: clamp(16px, 2.6vw, 30px);
  --ct-radius: 22px;
  --ct-card-pad: clamp(18px, 2.4vw, 26px);
  --ct-muted: #A2B4C4;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact .contact-hero {
  display: grid;
  gap: var(--ct-gap);
  margin-top: 22px;
}

.page-contact .contact-hero__lead {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6.2vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 22ch;
}

.page-contact .contact-hero__intro {
  margin: 0;
  max-width: 42ch;
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__channels {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .channel {
  display: grid;
  gap: 8px;
  padding: var(--ct-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background: linear-gradient(155deg, rgba(13, 42, 71, 0.95), rgba(6, 26, 46, 0.7));
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .channel:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 243, 208, 0.6);
}

.page-contact .channel--primary {
  border-color: rgba(47, 243, 208, 0.5);
  background: linear-gradient(155deg, rgba(47, 243, 208, 0.12), rgba(6, 26, 46, 0.86) 62%);
}

.page-contact .channel--paper {
  background: var(--paper);
  border-color: transparent;
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .channel--paper .channel__label {
  color: var(--line);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(15px, 3.6vw, 19px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--white);
  word-break: break-word;
}

.page-contact .channel__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(47, 243, 208, 0.6);
}

.page-contact .channel__value a:hover {
  color: var(--cyan);
}

.page-contact .channel__value--dark {
  color: var(--arena);
  font-family: var(--font-body);
  font-size: clamp(15px, 3.4vw, 18px);
  font-weight: 700;
  line-height: 1.6;
}

.page-contact .channel--paper .channel__value a {
  border-bottom-color: rgba(6, 26, 46, 0.35);
}

.page-contact .channel--paper .channel__value a:hover {
  color: var(--line);
}

.page-contact .channel__note {
  margin: 0;
  color: var(--ct-muted);
  font-size: 14px;
  line-height: 1.72;
}

.page-contact .channel--paper .channel__note {
  color: #4A5C6E;
}

.page-contact .contact-timing,
.page-contact .contact-coop,
.page-contact .contact-fix,
.page-contact .contact-push,
.page-contact .contact-faq,
.page-contact .contact-more {
  margin-top: clamp(48px, 8vw, 92px);
}

.page-contact .timing-track {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .timing-track__item {
  position: relative;
  display: grid;
  gap: 8px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .timing-track__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 46px;
  height: 3px;
  border-radius: 999px;
  background: var(--cyan);
}

.page-contact .timing-track__item--signal::before {
  width: 64px;
  background: var(--orange);
}

.page-contact .timing-track__time {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .timing-track__item--signal .timing-track__time {
  color: var(--orange);
}

.page-contact .timing-track__title {
  font-size: 17px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .timing-track__text {
  margin: 0;
  color: var(--ct-muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .coop-figure {
  margin: 26px 0 0;
}

.page-contact .coop-grid {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}

.page-contact .coop-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--ct-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background: var(--panel);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(47, 243, 208, 0.7);
}

.page-contact .coop-card--data {
  border-color: rgba(47, 243, 208, 0.5);
  background: linear-gradient(150deg, rgba(47, 243, 208, 0.13), rgba(13, 42, 71, 0.92) 58%);
}

.page-contact .coop-card__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .coop-card__title {
  margin: 0;
  font-size: clamp(19px, 3.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .coop-card__lead {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .coop-card__points {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .coop-card__points li {
  position: relative;
  padding-left: 16px;
  color: var(--ct-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .coop-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.85;
}

.page-contact .fix-layout {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .fix-figure {
  margin: 0;
}

.page-contact .fix-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .fix-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-contact .fix-step__num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  border: 1px solid rgba(47, 243, 208, 0.45);
  background: rgba(47, 243, 208, 0.14);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-contact .fix-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .fix-step__text {
  margin: 0;
  color: var(--ct-muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .push-grid {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.page-contact .push-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--ct-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  background: var(--panel);
  transition: border-color 0.24s var(--ease);
}

.page-contact .push-card:hover {
  border-color: rgba(47, 243, 208, 0.55);
}

.page-contact .push-card__tag {
  justify-self: start;
}

.page-contact .push-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .push-card__text {
  margin: 0;
  color: var(--ct-muted);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-contact .qa-list {
  margin-top: 24px;
  border-bottom: 1px solid var(--line);
}

.page-contact .qa {
  border-top: 1px solid var(--line);
}

.page-contact .qa summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 18px 0;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .qa summary::-webkit-details-marker {
  display: none;
}

.page-contact .qa summary::before {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-contact .qa[open] summary::before {
  content: "－";
}

.page-contact .qa__body {
  margin: 0;
  padding: 0 0 20px 30px;
  color: var(--ct-muted);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .more-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .more-link {
  display: grid;
  gap: 4px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  text-decoration: none;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .more-link:hover,
.page-contact .more-link:focus-visible {
  transform: translateX(4px);
  border-color: rgba(47, 243, 208, 0.6);
  background: rgba(47, 243, 208, 0.06);
}

.page-contact .more-link__title {
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
}

.page-contact .more-link__desc {
  color: var(--ct-muted);
  font-size: 13.5px;
  line-height: 1.6;
}

.page-contact .media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-lg);
}

.page-contact .media__caption {
  margin-top: 10px;
  color: var(--ct-muted);
  font-size: 13px;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .page-contact .timing-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .push-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .qa-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-contact .more-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .coop-card--data {
    grid-column: span 4;
  }

  .page-contact .coop-card--dist {
    grid-column: span 2;
    margin-top: 34px;
  }

  .page-contact .coop-card--topic {
    grid-column: span 2;
  }

  .page-contact .coop-card--a11y {
    grid-column: span 4;
    margin-top: 34px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: clamp(30px, 4vw, 64px);
  }

  .page-contact .contact-hero__channels {
    margin-top: 44px;
  }

  .page-contact .fix-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
    gap: clamp(26px, 3.4vw, 48px);
  }

  .page-contact .fix-figure {
    margin-top: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .coop-card,
  .page-contact .push-card,
  .page-contact .more-link {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .coop-card:hover,
  .page-contact .coop-card:focus-within,
  .page-contact .more-link:hover,
  .page-contact .more-link:focus-visible {
    transform: none;
  }
}